C07C 50/00
Quinones
C07C50/00 (Quinones) appears on 446 US grants and 282 published applications in this corpus.
Search patents in C07C- Granted patents
- 446
- Published applications
- 282
- Assignees
- 291
- Inventors
- 1,140
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 11 | 0 |
| 1978 | 7 | 0 |
| 1979 | 11 | 0 |
| 1980 | 10 | 0 |
| 1981 | 7 | 0 |
| 1982 | 8 | 0 |
| 1983 | 10 | 0 |
| 1984 | 14 | 0 |
| 1985 | 15 | 0 |
| 1986 | 10 | 0 |
| 1987 | 7 | 0 |
| 1988 | 6 | 0 |
| 1989 | 13 | 0 |
| 1990 | 21 | 0 |
| 1991 | 12 | 0 |
| 1992 | 19 | 0 |
| 1993 | 13 | 0 |
| 1994 | 12 | 0 |
| 1995 | 10 | 0 |
| 1996 | 7 | 0 |
| 1997 | 10 | 0 |
| 1998 | 7 | 0 |
| 1999 | 9 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 0 |
| 2002 | 3 | 6 |
| 2003 | 2 | 11 |
| 2004 | 10 | 14 |
| 2005 | 7 | 9 |
| 2006 | 3 | 11 |
| 2007 | 5 | 11 |
| 2008 | 4 | 8 |
| 2009 | 2 | 10 |
| 2010 | 9 | 11 |
| 2011 | 2 | 11 |
| 2012 | 7 | 11 |
| 2013 | 4 | 9 |
| 2014 | 8 | 7 |
| 2015 | 12 | 11 |
| 2016 | 12 | 7 |
| 2017 | 5 | 13 |
| 2018 | 8 | 10 |
| 2019 | 8 | 12 |
| 2020 | 12 | 9 |
| 2021 | 13 | 22 |
| 2022 | 7 | 18 |
| 2023 | 12 | 15 |
| 2024 | 8 | 20 |
| 2025 | 9 | 12 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07C 50/26Containing groups having oxygen atoms singly bound to carbon atoms280
- C07C 50/24Containing halogen79
- C07C 50/02Quinones: with monocyclic quinoid structure72
- C07C 50/38Containing —cho or non—quinoid keto groups67
- C07C 50/10The quinoid structure being part of a condensed ring system containing two52
- C07C 50/16The quinoid structure being part of a condensed ring system containing three26
- C07C 50/08Quinones: with polycyclic non-condensed quinoid structure10
- C07C 50/22The quinoid structure being part of a condensed ring system containing four7
Recent patents
- Co-crystal of coenzyme QH and nicotinamide, preparation method therefor and use thereof25 Aug 2026US 12,715,832 B2Cocrystal Technology (Jiaxing) Co., Ltd.
- Naphthoquinone-based chalcone derivatives and uses thereof9 Jun 2026US 12,649,709 B2
- Production method for reduced coenzyme Q10 form-II type crystal or crystalline solid thereof5 May 2026US 12,617,744 B2Kaneka Corporation
- Electroactive species and method for electrochemical gas separation4 Nov 2025US 12,458,922 B2Verdox, Inc.
- Rationally designed lawsone derivatives as antimicrobials against multidrug-resistant Staphylococcus aureus7 Oct 2025US 12,433,853 B2Kent State University
- Bromoquinone as a treatment for obesity and cancer30 Jul 2026US 2026/0216099 A1
- Compounds, compositions, methods of using, and methods for preparing compounds2 Jul 2026US 2026/0183260 A1The Institute for Stem Cell Biology and Regenerative Medicine (Instem)
- Quinone-derived compounds and use thereof against leishmania spp22 Jan 2026US 2026/0022089 A1Universidad De La Laguna
- Crystal and formulation of reduced coenzyme q108 Jan 2026US 2026/0008739 A1Kaneka Corporation
- Compounds and methods for the treatment of parasitic infections25 Dec 2025US 2025/0387359 A1The Board of Trustees of the University of Illinois
Most cited
By later US patents
- Photodefinable polymers containing perfluorocyclobutane groups80US 5,426,164 AThe Dow Chemical Company · 1995
- Aromatic-aliphatic ketones useful as photoinitiators66US 4,496,447 AMerck Patent Gesellschaft mit beschraenkter Haftung · 1985
- Aromatic-aliphatic ketones useful as photoinitiators63US 4,374,984 AMerck Patent GmbH · 1983
- Certain unsymmetrical quinolinyl ethers having anti-inflammatory and anti-allergic activity63US 4,794,188 AUSV Pharmaceutical Corporation · 1988
- Particles with modified physicochemical properties, their preparation and uses62US 6,197,349 B1Knoll, Inc. · 2001